After seeing Steven Spielberg's "Disclosure Day," check out these real-life accounts of strange aerial sightings.

Add Yahoo as a preferred source to see more of our stories on Google. If you're seeking the best UFO documentaries, we have done a deep-dive into aliens, UAP craft, whistleblowers and psy to dig up ...

The decades-long mystery surrounding strange, unknown objects spotted throughout the skies has long remained under classification and shielded from the American public. However, the shroud of secrecy ...

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.